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Is the monoprotic acid Y or the monoprotic acid Z the stronger acid in each of the following situations? At equal concentrations, the percent ionization for Z is greater than that for Y.

Is the monoprotic acid Y or the monoprotic acid Z the stronger acid in each of the following situations? At equal concentrations, the percent ionization for Z is greater than that for Y.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Is the monoprotic acid Y or the monoprotic acid Z the stronger acid in each of the following situations?

At equal concentrations, the percent ionization for Z is greater than that for Y.

Y
Z
 
 
b

Ka for Y is smaller than Ka for Z.

Y
Z
 
c

The equilibrium position for the dissociation of Z lies farther to the left than that for Y.

Y
Z
 
d

At equal concentrations and equal volumes, more hydronium ions are present in the Z solution than the Y solution.

Y
Z
A solution has [OH-] = 1×10-3.

What is the concentration of H3O+ ion?

[H3O+] =  mol/L
Calculate the pH of the following solutions.

(a) [H3O+] = 1.0×10-4 M pH = 
(b) [H3O+] = 1.0×10-2 M pH = 
(c) [OH-] = 1.0×10-6 M pH = 
(d) [OH-] = 1.0×10-8 M pH = 
 
What is the molar hydronium ion concentration in solutions with each of the following pH values?

(a) 1.0 [H3O+] =  M
(b) 5.0 [H3O+] =  M
(c) 9.0 [H3O+] =  M
(d) 12.0 [H3O+] =  M
 
With the help of table below, arrange the following 0.2 M aqueous solutions in order of increasing pH:

Name Formula Ka Percent Ionization
Hydrofluoric acid HF 6.8×10-4 2.6
Nitrous acid HNO2 4.5×10-4 2.1
HF, HNO3, HNO2, KOH
HNO3, HF, HNO2, KOH
HNO3, HNO2, HF, KOH
KOH, HNO3, HF, HNO2
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